Genetically, either the dog or bitch can have a greater or less significant impact on any mating dependant on how dominant the particular gene is in relation to the other animal in the mating. Some dogs will stamp their physical type to lots of their pups but this impact also depends on the genetic make up of the bitch they are bred to.
Having said that I was always told to plan to perpetuate a working strain through the bitch line, which may be an old wives tale, but some of those have a habit of coming true! I usually prefer to work dogs than bitches, but still have the above in mind. Gener